The song and dance makes fun of things from the series, including the fancy New York apartment that realistically neither Will nor Grace would have ever been able to afford and all the "fake TV shows we never watched" in the lounge room.

Ending with an orchestra, red carpet, and confetti, the cast sing, "Everything's as if we never said goodbye," which is exactly what fans are hoping for.

The 12-episode reunion series sees the cast return to TV after an 11-year hiatus.

The original '90s sitcom started in 1998 before winding up in 2008, after eight seasons on-air and an impressive 83 Primetime Emmy Award nominations over the years, winning 16 of those.